package com.itcam.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.TransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;
import javax.xml.crypto.Data;

/**
 * Author:Cammy.Wu
 * Date:2024-05-06
 * Description:业务层配置类：service、aop、tx
 *
 * 1.service
 * 2.开启aop注解的支持aspect：@Before @After @AfterReturning @Around @Aspect @Order
 * 3.tx声明式事务管理：①.对应的事务管理器实现 ②.开启事务注解支持 @Transactional
 */

@Configuration
@EnableAspectJAutoProxy
@EnableTransactionManagement
@ComponentScan("com.itcam.service")
public class ServiceJavaConfig {

    @Bean
    public TransactionManager transactionManager(DataSource dataSource){
        DataSourceTransactionManager dataSourceTransactionManager=new DataSourceTransactionManager();
        dataSourceTransactionManager.setDataSource(dataSource);
        return dataSourceTransactionManager;
    }

}
